Updated on April 03, 2025
There are more and more devices on the market today that are supposed to measure your daily movement. The Fitbit, Nike Fuel Band and Jawbone Up, for example, use 3-axis accelerometers and sophisticated algorithms to create a broad profile of your daily activity level and calorie burn. But because these device’s measurements are still general, like their pedometer forbearers, they have a limited ability to prescribe exercise.